@article{GDZPPN002475979,
title = {An Extended Notion of Refinement-Unboundedness.},
journal = {Monatshefte f\"ur Mathematik},
volume = {72},
year = {1968},
pages = {9-17},
zbl = {0195.34202},
url = {http://dml.mathdoc.fr/item/GDZPPN002475979}
}
Appling, William D.L. An Extended Notion of Refinement-Unboundedness.. Monatshefte für Mathematik, Tome 72 (1968) pp. 9-17. http://gdmltest.u-ga.fr/item/GDZPPN002475979/